In which I, an unwashed novice in the ancient arts of Deck Building, built a level freestanding/floating one. Huzzah! I hope this helps with your own build. I didn't re-invent the wheel, but I made damn sure it was level.

My Amazon author page. https://www.amazon.com/-/e/B003OKOUPY

My blog. http://strongarmlabs.blogspot.com/ Lots to explore.

For the intro music: Light Sting by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty-...
Artist: http://incompetech.com/

Be well.